Partial rotation locking device
By designing a partially rotary locking device including a support frame, a locking structure and a key, the problem of small-pipe valve self-closing or self-opening under high pressure and vibration conditions is solved, and the effect of preventing misoperation and improving valve reliability is achieved.
Patent Information
- Application Number
- CN202422400780.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-09-30
AI Technical Summary
Existing small-pipe valves are prone to self-closing or self-opening on high-pressure and vibrating pipes, resulting in frequent misoperation and it is difficult for existing devices to effectively prevent them.
A partial rotary locking device is designed, including a support frame, a locking structure and a key. Through the coordination of cam lock, locking core locking tongue, chuck locking tongue and rotary locking member in the locking structure, the key is used to drive the chuck locking tongue and the locking core locking tongue to achieve locking or unlocking of the rotary locking member to prevent the valve from closing or opening itself.
It effectively prevents the valve from being misoperated, improves the reliability of the valve, reduces the misunderstanding of the contact and touch, extends the service life, and is suitable for use under harsh conditions.
Smart Images
Figure CN223165149U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locking devices, in particular to a partial rotation locking device. Background Art
[0002] There are a large number of manually operated devices in the fields of petroleum, chemical industry, electric power and high-risk manufacturing industries, such as valves. Accidents caused by misoperations are not uncommon. According to statistics, 70% of the accidents in the oil and gas industries are caused by human operation errors. With the rapid development of modern industry, users hope to have a device that does not modify or damage the original valve equipment and reduces human misoperations. Most of the existing small-diameter valves do not have valve limiting devices. Once these valves are installed on pipelines with large flow rates, high pressures and vibrations, the valves will mostly show the phenomena of self-closing or self-opening. Therefore, there is an urgent need for a locking device to prevent the valve from self-closing or self-opening and improve the reliability of the valve. Summary of the Utility Model
[0003] In view of the above-mentioned deficiencies existing at present, the utility model provides a partial rotation locking device, which can reduce accidental touch and accidental operation and avoid the situation of valve self-closing or self-opening.
[0004] To achieve the above object, the embodiments of the utility model adopt the following technical solutions:
[0005] A partial rotation locking device includes a support frame, a locking structure arranged on the support frame and a key cooperating with the locking structure. The locking structure includes a cam lock, a lock core lock tongue, a chuck lock tongue and a valve arranged in sequence from top to bottom. The valve is connected with an adapter. A square groove adapted to the lock core lock tongue is arranged on the chuck lock tongue. A first protrusion is arranged on the outer side of the chuck lock tongue. A rotary locking member is arranged on the valve. A plurality of second protrusions are arranged on the rotary locking member. The key drives the chuck lock tongue and the lock core lock tongue to rotate so as to lock or unlock the rotary locking member, and then the unlocked rotary locking member can be rotated to realize the opening or closing of the valve.
[0006] According to one aspect of the utility model, the first protrusion includes two first protrusions symmetrically arranged with respect to the center axis of the lock core lock tongue.
[0007] According to one aspect of the utility model, the first protrusion is an arc-shaped protrusion.
[0008] According to one aspect of the utility model, the second protrusions are evenly arranged on the rotary locking member.
[0009] According to one aspect of the utility model, a dust-proof cover panel is arranged at the upper end of the cam lock.
[0010] According to one aspect of the present utility model, the support frame is a sheet metal integrally formed support frame.
[0011] According to one aspect of the present utility model, the adapter includes an upper locking sleeve and a lower locking sleeve, and the upper locking sleeve and the lower locking sleeve are connected by threads.
[0012] According to one aspect of the present utility model, a sunk groove tab is provided on the support frame.
[0013] According to one aspect of the present utility model, a handle is sleeved on the rotary locking member.
[0014] According to one aspect of the present utility model, a pushing member extending downward to the second protrusion is provided on one side of the handle.
[0015] Advantages of the implementation of the present utility model: Through multiple locking methods, the handle is in a state that effectively prevents accidental touch and random rotation operation; mechanical limit is used to achieve interlocking, with high reliability, long service life, and can be used under harsh conditions; by setting the first protrusion into an arc shape, component friction is reduced and the service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is the first schematic diagram of the present utility model;
[0018] Figure 2 It is the second schematic diagram of the present utility model;
[0019] Figure 3 It is the schematic structural diagram of the present utility model in the A-A direction in the locked state;
[0020] Figure 4 It is the schematic structural diagram of the present utility model in the A-A direction in the unlocked state.
[0021] The names corresponding to the serial numbers in the figure are as follows:
[0022] 1. Key; 2. Cam lock; 3. Lock core lock tongue; 4. Sunk groove tab; 5. Chuck lock tongue; 51. First protrusion; 6. Support frame; 7. Adapter; 71. Upper locking sleeve; 72. Lower locking sleeve; 8. Rotary locking member; 81. Second protrusion; 9. Handle; 91. Pushing member; 10. Valve; 11. Countersunk socket head cap screw; 12. Hexagon socket screw. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "rear", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0024] Embodiment 1:
[0025] As Figures 1 to 4 shown, a partial rotation locking device includes a support frame 6, a locking structure arranged on the support frame 6, and a key 1 cooperating with the locking structure. The locking structure includes a cam lock 2, a lock core lock tongue 3, a chuck lock tongue 5, and a valve 10 arranged in sequence from top to bottom. The valve 10 is connected with an adapter 7. A square groove adapted to the lock core lock tongue 3 is arranged on the chuck lock tongue 5. A first protrusion 51 is arranged on the outside of the chuck lock tongue 5. A rotary locking member 8 is arranged on the valve 10. A plurality of second protrusions 81 are arranged on the rotary locking member 8. The key 1 drives the chuck lock tongue 5 and the lock core lock tongue 3 to rotate to lock or unlock the rotary locking member 8, so that the unlocked rotary locking member 8 can be rotated to open or close the valve 10. Through multiple locking methods, the handle 9 is in a state of effectively preventing accidental touch and random rotation operation.
[0026] This device preferably uses material 316 stainless steel, which has particularly good corrosion resistance, atmospheric corrosion resistance and high temperature strength, and can enable this product to be used under harsh conditions.
[0027] In this embodiment, the cam lock 2 is an S-shaped cam lock.
[0028] In this embodiment, the rotation ranges of the key 1, the chuck lock tongue 5, the lock core lock tongue 3, and the rotary locking member 8 are 0 to 90°.
[0029] In this embodiment, the lock core lock tongue 3 has two states of 0° and 90°. Insert the key 1 at 0°, and rotate the key 1 clockwise by 90° to lock it inside the lock core.
[0030] In practical applications, a dust-proof cover panel is provided at the upper end of the cam lock 2. The dust-proof cover panel can, firstly, prevent dust and, secondly, be used for customizing engraved content, meeting the coding requirements of customers for different devices.
[0031] In this embodiment, the panel of the key 1 can also be engraved with content, meeting the coding requirements of customers for different devices.
[0032] In this embodiment, the valve 10 is a small-bore valve 10.
[0033] In practical applications, the support frame 6 is a sheet metal integrally formed support frame 6. The integral sheet metal forming makes the performance of the support frame 6 more stable.
[0034] In practical applications, the adapter 7 includes an upper locking sleeve 71 and a lower locking sleeve 72, and the upper locking sleeve 71 and the lower locking sleeve 72 are connected by threads. The upper and lower locking sleeves 72 are tightened by an internal hexagon screw 12 to form a hoop structure, clamping the diameter end of the valve 10, facilitating adjustment and clamping, and convenient for disassembly and assembly in a narrow space.
[0035] In practical applications, a handle 9 is sleeved on the rotary locking member 8.
[0036] In practical applications, a sunken groove tab 4 is provided on the support frame 6. The chuck lock tongue 5 and the lock core lock tongue 3 are adapted and linked through a square groove, driving the chuck lock tongue 5 to perform a rotational operation, and tightened by the sunken groove tab 4 through a countersunk head internal hexagon screw 11.
[0037] Usage method: When the key 1 is pulled out from the cam lock 2, the lock core lock tongue 3 is in the locked state, and the chuck lock tongue 5 adapted and linked with it is also in the locked state at the same time, making the handle 9 in a state that effectively prevents accidental touch and random rotation operation. When the key 1 is inserted into the lock core and rotated clockwise by 90°, the key 1 is locked inside the lock core, making the handle 9 in the unlocked state, and the opening and closing operations of the valve 10 can be realized.
[0038] Embodiment 2:
[0039] Such as Figures 1 to 4As shown in the figure, a partial rotation locking device includes a support frame 6, a locking structure provided on the support frame 6, and a key 1 that cooperates with the locking structure. The locking structure includes a cam lock 2, a lock core lock tongue 3, a chuck lock tongue 5, and a valve 10 arranged in sequence from top to bottom. The valve 10 is connected with an adapter 7. A square groove adapted to the lock core lock tongue 3 is provided on the chuck lock tongue 5. A first protrusion 51 is provided on the outside of the chuck lock tongue 5. A rotation locking member 8 is provided on the valve 10. A plurality of second protrusions 81 are provided on the rotation locking member 8. The key 1 drives the chuck lock tongue 5 and the lock core lock tongue 3 to rotate so as to lock or unlock the rotation locking member 8, and further enables the unlocked rotation locking member 8 to be rotated, realizing the opening or closing of the valve 10. Through multiple locking methods, the handle 9 is in a state that effectively prevents accidental touch and random rotation operation.
[0040] This device preferably uses material 316 stainless steel, which has particularly good corrosion resistance, atmospheric corrosion resistance, and high-temperature strength, enabling this product to be used under harsh conditions.
[0041] In this embodiment, the cam lock 2 is an S-shaped cam lock 2.
[0042] In this embodiment, the rotation ranges of the key 1, the chuck lock tongue 5, the lock core lock tongue 3, and the rotation locking member 8 are 0 to 90°.
[0043] In this embodiment, the lock core lock tongue 3 has two states of 0° and 90°. Insert the key 1 at 0°, and rotate the key 1 clockwise by 90° to lock it inside the lock core.
[0044] In practical applications, the first protrusion 51 includes two first protrusions 51 symmetrically arranged with respect to the center axis of the lock core lock tongue 3.
[0045] In practical applications, the first protrusion 51 is an arc-shaped protrusion. By setting it as an arc, the friction between components is reduced, and the service life is prolonged.
[0046] In practical applications, the second protrusions 81 are evenly arranged on the rotation locking member 8. The second protrusions 81 are evenly arranged and are easy to be driven. In this embodiment, the number of the second protrusions 81 is 4, and the intervals are equidistant.
[0047] In practical applications, a dust-proof cover panel is provided at the upper end of the cam lock 2. The dust-proof cover panel can prevent dust and is also used for customizing engraved content, meeting the encoding requirements of customers for different devices.
[0048] In this embodiment, the panel of the key 1 can also be engraved with content, meeting the encoding requirements of customers for different devices.
[0049] In this embodiment, the valve 10 is a small-bore valve 10.
[0050] In practical applications, the support frame 6 is a support frame 6 formed by integral sheet metal forming. The integral sheet metal forming makes the performance of the support frame 6 more stable.
[0051] In practical applications, the adapter 7 includes an upper locking sleeve 71 and a lower locking sleeve 72, and the upper locking sleeve 71 and the lower locking sleeve 72 are connected by threads. The upper and lower locking sleeves 72 are tightened by an internal hexagonal screw 12 to form a hoop structure, which clamps the diameter end of the valve 10, facilitating adjustment of clamping and disassembly in a narrow space.
[0052] In practical applications, a handle 9 is sleeved on the rotary locking member 8.
[0053] In practical applications, a pushing member 91 extending downward to the second protrusion 81 is provided on one side of the handle 9. The pushing member of the handle 9 easily drives the second protrusion 81, thereby driving the rotary locking member 8 to rotate.
[0054] In practical applications, a sunk groove tab 4 is provided on the support frame 6. The chuck lock tongue 5 and the lock core lock tongue 3 are adapted and linked through a square groove, driving the chuck lock tongue 5 to perform a rotational operation, and tightened by the sunk groove tab 4 through a countersunk head internal hexagonal screw 11.
[0055] Usage method: When the key 1 is pulled out from the cam lock 2, the lock core lock tongue 3 is in the locked state, and the chuck lock tongue 5 adapted and linked with it is also in the locked state, making the handle 9 in a state that effectively prevents accidental touch and random rotation operation. When the key 1 is inserted into the lock core and rotated clockwise by 90°, the key 1 is locked inside the lock core, making the handle 9 in the unlocked state, and the opening and closing operations of the valve 10 can be realized.
[0056] The above is only the specific implementation manner of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by this utility model should be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be subject to the protection scope of the claims.
Claims
1. A partial rotation locking device, comprising a support frame (6), a locking structure provided on the support frame (6), and a key (1) cooperating with the locking structure, characterized in that, The locking structure includes a cam lock (2), a lock core lock tongue (3), a chuck lock tongue (5) and a valve (10) which are arranged in sequence from top to bottom. The valve (10) is connected with an adapter (7). A square groove adapted to the lock core lock tongue (3) is provided on the chuck lock tongue (5). A first protrusion (51) is provided on the outer side of the chuck lock tongue (5). A rotary locking member (8) is provided on the valve (10). A plurality of second protrusions (81) are provided on the rotary locking member (8). The key (1) drives the chuck lock tongue (5) and the lock core lock tongue (3) to rotate so as to lock or unlock the rotary locking member (8), and then the unlocked rotary locking member (8) can be rotated to open or close the valve (10).
2. The partial rotation locking device according to claim 1, characterized in that, The first protrusion (51) includes two first protrusions (51) symmetrically arranged with respect to the center axis of the lock core lock tongue (3).
3. The partial rotation locking device according to claim 2, characterized in that, The first protrusion (51) is an arc-shaped protrusion.
4. A partial rotation locking device according to claim 1, characterized in that, The second protrusions (81) are evenly arranged on the rotary locking member (8).
5. A partial rotation locking device according to claim 1, characterized in that, A dust-proof cover panel is provided at the upper end of the cam lock (2).
6. The partial rotation locking device according to claim 1, characterized in that, The support frame (6) is a sheet metal integrally formed support frame (6).
7. A partial rotation locking device according to claim 1, characterized in that, The adapter (7) includes an upper locking sleeve (71) and a lower locking sleeve (72), and the upper locking sleeve (71) and the lower locking sleeve (72) are connected by threads.
8. A partial rotation locking device according to claim 4, characterized in that, A handle (9) is sleeved on the rotary locking member (8).
9. A partial rotation locking device according to claim 8, characterized in that, A pushing member (91) extending downward to the second protrusion (81) is provided on one side of the handle (9).
10. A partial rotation locking device according to any one of claims 1 to 9, characterized in that, A sunken groove tab (4) is provided on the support frame (6).